Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Dame, Thomas M."'
Autor:
Zhang, Bo, Reid, Mark J., Zhang, Lian, Wu, Yuanwei, Hu, Bo, Sakai, Nobuyuki, Menten, Karl M., Zheng, Xingwu, Brunthaler, Andreas, Dame, Thomas M., Xu, Ye
We report trigonometric parallax and proper motion measurements of 6.7-GHz CH3OH and 22-GHz H2O masers in eight high-mass star-forming regions (HMSFRs) based on VLBA observations as part of the BeSSeL Survey. The distances of these HMSFRs combined wi
Externí odkaz:
http://arxiv.org/abs/1903.11594
We report measurements of parallax and proper motion for five 6.7-GHz methanol maser sources in the outer regions of the Perseus arm as part of the BeSSeL Survey of the Galaxy. By combining our results with previous astrometric results, we determine
Externí odkaz:
http://arxiv.org/abs/1903.11103
Publikováno v:
Science 13 Oct 2017: Vol. 358, Issue 6360, pp. 227-230
Little is known about the portion of the Milky Way lying beyond the Galactic center at distances of more than 9 kilo-parsec from the Sun. These regions are opaque at optical wavelengths due to absorption by interstellar dust, and distances are very l
Externí odkaz:
http://arxiv.org/abs/1710.06489
Autor:
Gibson, Steven J., Howard, Ward S., Jolly, Christian S., Newton, Jonathan H., Bell, Aaron C., Spraggs, Mary E., Hughes, J. Marcus, Tagliaboschi, Aaron M., Brunt, Christopher M., Taylor, A. Russell, Stil, Jeroen M., Dame, Thomas M.
We have mapped cold atomic gas in 21cm line HI self-absorption (HISA) at arcminute resolution over more than 90% of the Milky Way's disk. To probe the formation of H2 clouds, we have compared our HISA distribution with CO J=1-0 line emission. Few HIS
Externí odkaz:
http://arxiv.org/abs/1510.06784
Autor:
Goodman, Alyssa A., Alves, Joao, Beaumont, Christopher N., Benjamin, Robert A., Borkin, Michelle A., Burkert, Andreas, Dame, Thomas M., Jackson, James, Kauffmann, Jens, Robitaille, Thomas, Smith, Rowan J.
The very long and thin infrared dark cloud "Nessie" is even longer than had been previously claimed, and an analysis of its Galactic location suggests that it lies directly in the Milky Way's mid-plane, tracing out a highly elongated bone-like featur
Externí odkaz:
http://arxiv.org/abs/1408.0001
Autor:
Fukui, Yasuo, Furukawa, Naoko, Dame, Thomas M., Dawson, Joanne R., Yamamoto, Hiroaki, Rowell, Gavin P., Aharonian, Felix, Hofmann, Werner, Wilhelmi, Emma de Oña, Minamidani, Tetsuhiro, Kawamura, Akiko, Mizuno, Norikazu, Onishi, Toshikazu, Mizuno, Akira, Nagataki, Shigehiro
We have discovered remarkable jet- and arc-like molecular features toward the rich and young stellar cluster Westerlund2. The jet has a length of ~100 pc and a width of ~10 pc, while the arc shows a crescent shape with a radius of ~30 pc. These molec
Externí odkaz:
http://arxiv.org/abs/0903.5340
Publikováno v:
Astrophys.Space Sci. 297 (2005) 393-398
In this paper we briefly comment on the observational status of the possible physical association between unidentified EGRET sources and supernova remnants (SNRs) in our Galaxy. We draw upon recent results presented in the review by Torres et al. (Ph
Externí odkaz:
http://arxiv.org/abs/astro-ph/0406335
Publikováno v:
Adv.Space Res. 33 (2004) 450-455
It might be thought that supernova remnants (SNRs) more distant than a few kiloparsec from Earth could not have been detected by the EGRET experiment. This work analyzes the observational status of this statement in the light of new CO studies of SNR
Externí odkaz:
http://arxiv.org/abs/astro-ph/0301424
Publikováno v:
Phys.Rept.382:303-380,2003
A review of the possible relationship between gamma-ray sources and supernova remnants (SNRs) is presented. Particular emphasis is given to the analysis of the observational status of the problem of cosmic ray acceleration at SNR shock fronts. All po
Externí odkaz:
http://arxiv.org/abs/astro-ph/0209565
Publikováno v:
Nature 418 (2002) 499
It is thought that Galactic cosmic ray (CR) nuclei are gradually accelerated to high energies (up to ~300 TeV/nucleon, where 1TeV=10^12eV) in the expanding shock-waves connected with the remnants of powerful supernova explosions. However, this conjec
Externí odkaz:
http://arxiv.org/abs/astro-ph/0208034